Ijẹrisi

Iwe-ẹri Idawọlẹ Imọ-ẹrọ giga ti Shenzhen, Iwe-ẹri Idawọlẹ Imọ-ẹrọ giga ti Orilẹ-ede, ISO14001, ISO9001, ISO45001, Mechanical and Electrical Engineering Construction Construction General Contracting, Ṣiṣepọ Ọjọgbọn Imọ-ẹrọ Ayika, Iwe-aṣẹ iṣelọpọ Aabo ati awọn iwe-ẹri miiran.